CN209881506U - Claw pole assembly for 48V starting integrated motor and motor - Google Patents

Abstract

The utility model discloses a claw utmost point subassembly for 48V plays an organic whole motor that sends out, including the front claw utmost point, the back claw utmost point and a plurality of magnet steel, the front claw utmost point all includes claw polar plate with the back claw utmost point, the edge of claw polar plate is provided with a plurality of polar claws, and the distance between arbitrary adjacent two polar claws equals, and the medial surface of claw polar plate is provided with the yoke, be provided with the shaft hole that runs through yoke and claw polar plate on the yoke, the yoke of the front claw utmost point links to each other with the yoke of the back claw utmost point, and every polar claw of the front claw utmost point is located between the adjacent two polar claws of the back claw utmost point, the winding is provided with excitation winding on the yoke, and the both sides of every polar claw inner wall are provided with the assembly groove, and the root of polar claw is provided with the guide way that links to each other with the assembly groove, every the assembly inslot of adjacent two polar. A motor that adopts above-mentioned claw utmost point subassembly is still disclosed. The utility model discloses can avoid the piece absorption that the turning man-hour produced on the magnet steel, make the magnet steel keep clean.

Description

Claw pole assembly for 48V starting integrated motor and motor

Technical Field

The utility model relates to a 48V mixes the field a little, concretely relates to a claw utmost point subassembly and motor that is used for 48V to initiate integrative motor.

Background

Traditional electric excitation claw pole type motor has been widely applied to the automobile generator field, along with the development of automobile industry, energy saving and emission reduction become inevitable trend, and 48V system is more and more favored by each large host factory because the cost performance is higher. 48VBSG is one of 48V system core components, is the main executor of system helping hand and energy recuperation, but traditional electro-magnetic claw utmost point formula motor performance output is lower, can not satisfy the demand far away, in order to improve motor output, needs increase the magnet steel and assist magnetism between the claw utmost point.

In the traditional manufacturing process of the claw pole component, the magnetic steel is firstly installed into the claw pole, then the claw pole is turned, chips generated during turning can be adsorbed onto the magnetic steel, and after the turning is completed, the chips on the magnetic steel cannot be completely removed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a piece that can't clear away appears on avoiding the magnet steel is provided a claw utmost point subassembly and motor for 48V plays integrative motor.

The utility model provides a technical scheme that technical problem adopted is: a claw utmost point subassembly for 48V plays an organic whole motor, includes preceding claw utmost point, back claw utmost point and a plurality of magnet steel, preceding claw utmost point and back claw utmost point all include claw polar disk, the edge of claw polar disk is provided with a plurality of polar claws, and the distance between arbitrary adjacent two polar claws equals, and the medial surface of claw polar disk is provided with the yoke, be provided with the shaft hole that runs through yoke and claw polar disk on the yoke, the yoke of preceding claw utmost point links to each other with the yoke of back claw utmost point, and every polar claw of preceding claw utmost point is located between the adjacent two polar claws of back claw utmost point, the winding is provided with excitation winding on the yoke,

and two sides of the inner wall of each polar claw are provided with assembly grooves, the root of each polar claw is provided with a guide groove connected with the assembly grooves, and the two side parts of each magnetic steel are pressed into the assembly grooves of two adjacent polar claws.

Further, the width of the pole claw is gradually reduced from the root part to the top part of the pole claw, and the angle between every two adjacent magnetic steels is 17-22 degrees.

Further, the number of the polar claws is 8.

The motor comprises a claw pole assembly, a shaft, a front fan blade and a rear fan blade, wherein the claw pole assembly for the 48V starting integrated motor is adopted as the claw pole assembly, the front claw pole and the rear claw pole of the claw pole assembly are arranged on the shaft through shaft holes, the front fan blade is arranged on the back surface of a claw pole disc of the front claw pole, and the rear fan blade is arranged on the back surface of a claw pole disc of the rear claw pole; and bearings are arranged on the shafts on two sides of the claw pole component.

Furthermore, the rear fan blade is welded on the back surface of the claw pole disc of the rear claw pole, and the front fan blade is welded on the back surface of the claw pole disc of the front claw pole.

Further, the height of the magnetic yoke of the front claw pole is smaller than that of the magnetic yoke of the rear claw pole.

Compared with the prior art, the beneficial effects of the utility model are that: the assembling grooves are formed in the two sides of the inner wall of each polar claw, the guide groove is formed between every two adjacent polar claws, during production, the front claw pole and the rear claw pole can be combined and then subjected to turning machining, after turning machining is completed, the magnetic steel is pressed and loaded into the assembling grooves through the guide grooves, and therefore the situation that scraps generated during turning machining are adsorbed on the magnetic steel can be avoided, and the magnetic steel is kept clean.

Drawings

FIG. 1 is a perspective view of a front or rear claw pole;

FIG. 2 is a front view of the front or rear claw pole;

FIG. 3 is a schematic left side view in section at A-A of FIG. 2;

FIG. 4 is a schematic right side sectional view taken at A-A of FIG. 2;

FIG. 5 is a cross-sectional schematic view of the pole jaw assembly at A-A;

fig. 6 is a schematic diagram of a motor half-section of the present invention.

Reference numerals: 10-anterior paw pole; 11-claw pole disk; 12-a pole claw; 13-assembly grooves; 14-a guide groove; 15-a magnetic yoke; 16-shaft hole; 17-magnetic steel; 20-rear claw pole; 30-axis; 40-front fan blades; 50-rear fan blades; 60-excitation winding; and 70, bearing.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The utility model discloses a claw utmost point subassembly for 48V plays an organic whole motor, including the front claw utmost point 10, the back claw utmost point 20 and a plurality of magnet steel 17, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the front claw utmost point 10 all includes claw utmost point dish 11 with the back claw utmost point 20, the edge of claw utmost point dish 11 is provided with a plurality of utmost points 12, and a plurality of utmost points 12 enclose into the cavity, and utmost point 12 has 4 sides of top surface, and these 4 sides are inner wall, outer wall and two lateral walls respectively, and the inner wall is towards the side of cavity, and the outer wall is the side of deviating from the cavity, and all the other two sides are the lateral walls, and the distance between inner wall and the outer wall is the thickness of utmost point 12 promptly, and the distance between the lateral wall of both sides is the. The distance between any two adjacent polar claws 12 is equal, that is, the polar claws 12 are uniformly distributed on the edge of the claw pole disk 11 in a circumferential shape. The inner side surface of the claw pole disk 11 is provided with a magnetic yoke 15, and the height of the magnetic yoke 15 of the front claw pole 10 is smaller than that of the magnetic yoke 15 of the rear claw pole 20. The inner side surface of the claw pole disk 11 is the surface of a cavity surrounded by the claw poles 12, the magnetic yoke 15 is provided with a shaft hole 16 penetrating through the magnetic yoke 15 and the claw pole disk 11, and the shaft hole 16 is used for installing the front claw pole 10 and the rear claw pole 20 on a shaft 30 of the motor. The yoke 15 of the front claw pole 10 is connected with the yoke 15 of the rear claw pole 20, each claw 12 of the front claw pole 10 is located between two adjacent claws 12 of the rear claw pole 20, namely the claws 12 of the front claw pole 10 and the claws 12 of the rear claw pole 20 are arranged in a staggered manner, and the excitation winding 60 is wound on the yoke 15.

The two sides of the inner wall of each polar claw 12 are provided with an assembly groove 13, the width and the depth of the assembly groove 13 are kept unchanged from the root to the top of the polar claw 12, the root of the polar claw 12 is provided with a guide groove 14 connected with the assembly groove 13, two side parts of each magnetic steel 17 are pressed into the assembly grooves 13 of two adjacent polar claws 12, the magnetic steel 17 is in a rectangular sheet shape, because the polar claws 12 of the front polar claw 10 and the polar claws 12 of the rear polar claw 20 are arranged in a staggered manner, one side part of each magnetic steel 17 is positioned in the polar claw 12 of the front polar claw 10, and the other side part is positioned in the polar claw 12 of the rear polar claw 20, the function of connecting the front polar claw 10 and the rear polar claw 20 into a whole is achieved. The size of the assembling groove 13 is matched with that of the magnetic steel 17 in an interference fit mode, and the magnetic steel 17 is guaranteed to be stably pressed into the assembling groove 13.

The width of the pole claw 12 is gradually reduced from the root to the top of the pole claw 12, as shown in fig. 6, an included angle a is formed between two side walls of the pole claw 12, after the magnetic steel 17 is installed in the assembling groove 13, the angle between two adjacent magnetic steels 17 is also a, and the value of a is designed to be 17-22 degrees.

The number of the polar claws 12 is not limited, and the polar claws 12 can be designed according to requirements, preferably, the number of the polar claws 12 adopted in the utility model is 8.

When the claw pole assembly for the 48V starting integrated motor is manufactured, the front claw pole 10, the rear claw pole 20 and the excitation winding 60 are assembled, then the claw pole assembly is turned, after turning is completed, the magnetic steels 17 are placed into the guide grooves 14, and the magnetic steels 17 are pressed into the assembling grooves 13 through the press-fitting tool. Therefore, the magnetic steel 17 is installed after the turning processing, so that the chips generated in the turning processing can be prevented from being adsorbed on the magnetic steel 17, and the magnetic steel 17 is kept clean.

The motor comprises a claw pole assembly, a shaft 30, a front fan blade 40 and a rear fan blade 50, wherein the claw pole assembly for the 48V starting integrated motor is adopted, a front claw pole 10 and a rear claw pole 20 of the claw pole assembly are installed on the shaft 30 through a shaft hole 16, the front fan blade 40 is arranged on the back surface of a claw pole disc 11 of the front claw pole 10, and the rear fan blade 50 is arranged on the back surface of a claw pole disc 11 of the rear claw pole 20; bearings 70 are provided on the shaft 30 on either side of the claw-pole assembly.

During assembly, the claw pole assembly is sleeved on the shaft 30, the front fan blade 40 is mounted on the back surface of the claw pole disc 11 of the front claw pole 10, the rear fan blade 50 is mounted on the back surface of the claw pole disc 11 of the rear claw pole 20, and the upper bearing 70 is mounted. The front blade 40 and the rear blade 50 can be mounted by screws or the like, and in order to ensure the connection strength, the rear blade 50 is welded on the back of the claw pole disk 11 of the rear claw pole 20, and the front blade 40 is welded on the back of the claw pole disk 11 of the front claw pole 10.

Claims (6)

1. A claw pole subassembly for 48V plays an organic whole motor, including preceding claw utmost point (10), back claw utmost point (20) and a plurality of magnet steel (17), preceding claw utmost point (10) and back claw utmost point (20) all include claw polar plate (11), the edge of claw polar plate (11) is provided with a plurality of polar claws (12), and the distance between arbitrary adjacent two polar claws (12) is equal, and the medial surface of claw polar plate (11) is provided with yoke (15), be provided with shaft hole (16) that run through yoke (15) and claw polar plate (11) on yoke (15), and yoke (15) of preceding claw utmost point (10) link to each other with yoke (15) of back claw polar plate (20), and every polar claw (12) of preceding claw utmost point (10) are located between the adjacent two polar claws (12) of back claw polar plate (20), the winding is provided with excitation winding (60) on yoke (15), its characterized in that,

assembling grooves (13) are formed in two sides of the inner wall of each polar claw (12), guide grooves (14) connected with the assembling grooves (13) are formed in the root portions of the polar claws (12), and two side portions of each magnetic steel (17) are pressed into the assembling grooves (13) of two adjacent polar claws (12).

2. The claw-pole assembly for a 48V starting integrated motor according to claim 1, wherein the width of the claw pole (12) is gradually reduced from the root to the top of the claw pole (12), and the angle between two adjacent magnetic steels (17) is 17-22 degrees.

3. The claw-pole assembly for a 48V starter-integrated motor according to claim 1, characterized in that the number of the pole claws (12) is 8.

4. The electric machine comprises a claw pole component, a shaft (30), a front fan blade (40) and a rear fan blade (50), wherein the claw pole component adopts the claw pole component for the 48V starting integrated electric machine of claim 1, 2 or 3, the front claw pole (10) and the rear claw pole (20) of the claw pole component are installed on the shaft (30) through a shaft hole (16), the front fan blade (40) is arranged on the back of a claw pole disc (11) of the front claw pole (10), and the rear fan blade (50) is arranged on the back of the claw pole disc (11) of the rear claw pole (20); and bearings (70) are arranged on the shafts (30) at two sides of the claw pole component.

5. The machine according to claim 4, characterized in that the rear blades (50) are welded to the back of the claw pole disk (11) of the rear claw pole (20) and the front blades (40) are welded to the back of the claw pole disk (11) of the front claw pole (10).

6. An electric machine according to claim 4, characterized in that the yoke (15) height of the front claw pole (10) is smaller than the yoke (15) height of the rear claw pole (20).